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<pre><span class="sourceLineNo">001</span>package com.github.sarxos.webcam.ds.dummy;<a name="line.1"></a>
<span class="sourceLineNo">002</span><a name="line.2"></a>
<span class="sourceLineNo">003</span>import java.awt.Color;<a name="line.3"></a>
<span class="sourceLineNo">004</span>import java.awt.Dimension;<a name="line.4"></a>
<span class="sourceLineNo">005</span>import java.awt.Font;<a name="line.5"></a>
<span class="sourceLineNo">006</span>import java.awt.FontMetrics;<a name="line.6"></a>
<span class="sourceLineNo">007</span>import java.awt.Graphics2D;<a name="line.7"></a>
<span class="sourceLineNo">008</span>import java.awt.GraphicsConfiguration;<a name="line.8"></a>
<span class="sourceLineNo">009</span>import java.awt.GraphicsEnvironment;<a name="line.9"></a>
<span class="sourceLineNo">010</span>import java.awt.RenderingHints;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import java.awt.image.BufferedImage;<a name="line.11"></a>
<span class="sourceLineNo">012</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.12"></a>
<span class="sourceLineNo">013</span><a name="line.13"></a>
<span class="sourceLineNo">014</span>import com.github.sarxos.webcam.WebcamDevice;<a name="line.14"></a>
<span class="sourceLineNo">015</span>import com.github.sarxos.webcam.WebcamException;<a name="line.15"></a>
<span class="sourceLineNo">016</span>import com.github.sarxos.webcam.WebcamResolution;<a name="line.16"></a>
<span class="sourceLineNo">017</span><a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>/**<a name="line.19"></a>
<span class="sourceLineNo">020</span> * Just a dummy device to be used for test purpose.<a name="line.20"></a>
<span class="sourceLineNo">021</span> * <a name="line.21"></a>
<span class="sourceLineNo">022</span> * @author Bartosz Firyn (sarxos)<a name="line.22"></a>
<span class="sourceLineNo">023</span> **/<a name="line.23"></a>
<span class="sourceLineNo">024</span>public class WebcamDummyDevice implements WebcamDevice {<a name="line.24"></a>
<span class="sourceLineNo">025</span><a name="line.25"></a>
<span class="sourceLineNo">026</span>        private final static Dimension[] DIMENSIONS = new Dimension[] {<a name="line.26"></a>
<span class="sourceLineNo">027</span>                WebcamResolution.QQVGA.getSize(),<a name="line.27"></a>
<span class="sourceLineNo">028</span>                WebcamResolution.QVGA.getSize(),<a name="line.28"></a>
<span class="sourceLineNo">029</span>                WebcamResolution.VGA.getSize(),<a name="line.29"></a>
<span class="sourceLineNo">030</span>        };<a name="line.30"></a>
<span class="sourceLineNo">031</span><a name="line.31"></a>
<span class="sourceLineNo">032</span>        private AtomicBoolean open = new AtomicBoolean(false);<a name="line.32"></a>
<span class="sourceLineNo">033</span>        private Dimension resolution = DIMENSIONS[0];<a name="line.33"></a>
<span class="sourceLineNo">034</span><a name="line.34"></a>
<span class="sourceLineNo">035</span>        private final String name;<a name="line.35"></a>
<span class="sourceLineNo">036</span><a name="line.36"></a>
<span class="sourceLineNo">037</span>        public WebcamDummyDevice(int number) {<a name="line.37"></a>
<span class="sourceLineNo">038</span>                this.name = "Dummy Webcam " + number;<a name="line.38"></a>
<span class="sourceLineNo">039</span>        }<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span>        @Override<a name="line.41"></a>
<span class="sourceLineNo">042</span>        public String getName() {<a name="line.42"></a>
<span class="sourceLineNo">043</span>                return name;<a name="line.43"></a>
<span class="sourceLineNo">044</span>        }<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span>        @Override<a name="line.46"></a>
<span class="sourceLineNo">047</span>        public Dimension[] getResolutions() {<a name="line.47"></a>
<span class="sourceLineNo">048</span>                return DIMENSIONS;<a name="line.48"></a>
<span class="sourceLineNo">049</span>        }<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span>        @Override<a name="line.51"></a>
<span class="sourceLineNo">052</span>        public Dimension getResolution() {<a name="line.52"></a>
<span class="sourceLineNo">053</span>                return resolution;<a name="line.53"></a>
<span class="sourceLineNo">054</span>        }<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
<span class="sourceLineNo">056</span>        @Override<a name="line.56"></a>
<span class="sourceLineNo">057</span>        public void setResolution(Dimension size) {<a name="line.57"></a>
<span class="sourceLineNo">058</span>                this.resolution = size;<a name="line.58"></a>
<span class="sourceLineNo">059</span>        }<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span>        byte r = (byte) (Math.random() * Byte.MAX_VALUE);<a name="line.61"></a>
<span class="sourceLineNo">062</span>        byte g = (byte) (Math.random() * Byte.MAX_VALUE);<a name="line.62"></a>
<span class="sourceLineNo">063</span>        byte b = (byte) (Math.random() * Byte.MAX_VALUE);<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span>        private void drawRect(Graphics2D g2, int w, int h) {<a name="line.65"></a>
<span class="sourceLineNo">066</span><a name="line.66"></a>
<span class="sourceLineNo">067</span>                int rx = (int) (w * Math.random() / 1.5);<a name="line.67"></a>
<span class="sourceLineNo">068</span>                int ry = (int) (h * Math.random() / 1.5);<a name="line.68"></a>
<span class="sourceLineNo">069</span>                int rw = (int) (w * Math.random() / 1.5);<a name="line.69"></a>
<span class="sourceLineNo">070</span>                int rh = (int) (w * Math.random() / 1.5);<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span>                g2.setColor(new Color((int) (Integer.MAX_VALUE * Math.random())));<a name="line.72"></a>
<span class="sourceLineNo">073</span>                g2.fillRect(rx, ry, rw, rh);<a name="line.73"></a>
<span class="sourceLineNo">074</span>        }<a name="line.74"></a>
<span class="sourceLineNo">075</span><a name="line.75"></a>
<span class="sourceLineNo">076</span>        @Override<a name="line.76"></a>
<span class="sourceLineNo">077</span>        public BufferedImage getImage() {<a name="line.77"></a>
<span class="sourceLineNo">078</span><a name="line.78"></a>
<span class="sourceLineNo">079</span>                if (!isOpen()) {<a name="line.79"></a>
<span class="sourceLineNo">080</span>                        throw new WebcamException("Webcam is not open");<a name="line.80"></a>
<span class="sourceLineNo">081</span>                }<a name="line.81"></a>
<span class="sourceLineNo">082</span><a name="line.82"></a>
<span class="sourceLineNo">083</span>                try {<a name="line.83"></a>
<span class="sourceLineNo">084</span>                        Thread.sleep(1000 / 30);<a name="line.84"></a>
<span class="sourceLineNo">085</span>                } catch (InterruptedException e) {<a name="line.85"></a>
<span class="sourceLineNo">086</span>                        return null;<a name="line.86"></a>
<span class="sourceLineNo">087</span>                }<a name="line.87"></a>
<span class="sourceLineNo">088</span><a name="line.88"></a>
<span class="sourceLineNo">089</span>                Dimension resolution = getResolution();<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span>                int w = resolution.width;<a name="line.91"></a>
<span class="sourceLineNo">092</span>                int h = resolution.height;<a name="line.92"></a>
<span class="sourceLineNo">093</span><a name="line.93"></a>
<span class="sourceLineNo">094</span>                String s = getName();<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span>                GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();<a name="line.96"></a>
<span class="sourceLineNo">097</span>                GraphicsConfiguration gc = ge.getDefaultScreenDevice().getDefaultConfiguration();<a name="line.97"></a>
<span class="sourceLineNo">098</span>                BufferedImage bi = gc.createCompatibleImage(w, h);<a name="line.98"></a>
<span class="sourceLineNo">099</span><a name="line.99"></a>
<span class="sourceLineNo">100</span>                Graphics2D g2 = ge.createGraphics(bi);<a name="line.100"></a>
<span class="sourceLineNo">101</span>                g2.setBackground(new Color(Math.abs(r++), Math.abs(g++), Math.abs(b++)));<a name="line.101"></a>
<span class="sourceLineNo">102</span>                g2.clearRect(0, 0, w, h);<a name="line.102"></a>
<span class="sourceLineNo">103</span><a name="line.103"></a>
<span class="sourceLineNo">104</span>                drawRect(g2, w, h);<a name="line.104"></a>
<span class="sourceLineNo">105</span>                drawRect(g2, w, h);<a name="line.105"></a>
<span class="sourceLineNo">106</span>                drawRect(g2, w, h);<a name="line.106"></a>
<span class="sourceLineNo">107</span>                drawRect(g2, w, h);<a name="line.107"></a>
<span class="sourceLineNo">108</span>                drawRect(g2, w, h);<a name="line.108"></a>
<span class="sourceLineNo">109</span><a name="line.109"></a>
<span class="sourceLineNo">110</span>                Font font = new Font("sans-serif", Font.BOLD, 16);<a name="line.110"></a>
<span class="sourceLineNo">111</span><a name="line.111"></a>
<span class="sourceLineNo">112</span>                g2.setFont(font);<a name="line.112"></a>
<span class="sourceLineNo">113</span><a name="line.113"></a>
<span class="sourceLineNo">114</span>                FontMetrics metrics = g2.getFontMetrics(font);<a name="line.114"></a>
<span class="sourceLineNo">115</span>                int sw = (w - metrics.stringWidth(s)) / 2;<a name="line.115"></a>
<span class="sourceLineNo">116</span>                int sh = (h - metrics.getHeight()) / 2 + metrics.getHeight() / 2;<a name="line.116"></a>
<span class="sourceLineNo">117</span><a name="line.117"></a>
<span class="sourceLineNo">118</span>                g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);<a name="line.118"></a>
<span class="sourceLineNo">119</span>                g2.setColor(Color.BLACK);<a name="line.119"></a>
<span class="sourceLineNo">120</span>                g2.drawString(s, sw + 1, sh + 1);<a name="line.120"></a>
<span class="sourceLineNo">121</span>                g2.setColor(Color.WHITE);<a name="line.121"></a>
<span class="sourceLineNo">122</span>                g2.drawString(s, sw, sh);<a name="line.122"></a>
<span class="sourceLineNo">123</span><a name="line.123"></a>
<span class="sourceLineNo">124</span>                g2.dispose();<a name="line.124"></a>
<span class="sourceLineNo">125</span>                bi.flush();<a name="line.125"></a>
<span class="sourceLineNo">126</span><a name="line.126"></a>
<span class="sourceLineNo">127</span>                return bi;<a name="line.127"></a>
<span class="sourceLineNo">128</span>        }<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span>        @Override<a name="line.130"></a>
<span class="sourceLineNo">131</span>        public void open() {<a name="line.131"></a>
<span class="sourceLineNo">132</span>                if (open.compareAndSet(false, true)) {<a name="line.132"></a>
<span class="sourceLineNo">133</span>                        // ...<a name="line.133"></a>
<span class="sourceLineNo">134</span>                }<a name="line.134"></a>
<span class="sourceLineNo">135</span>        }<a name="line.135"></a>
<span class="sourceLineNo">136</span><a name="line.136"></a>
<span class="sourceLineNo">137</span>        @Override<a name="line.137"></a>
<span class="sourceLineNo">138</span>        public void close() {<a name="line.138"></a>
<span class="sourceLineNo">139</span>                if (open.compareAndSet(true, false)) {<a name="line.139"></a>
<span class="sourceLineNo">140</span>                        // ...<a name="line.140"></a>
<span class="sourceLineNo">141</span>                }<a name="line.141"></a>
<span class="sourceLineNo">142</span>        }<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span>        @Override<a name="line.144"></a>
<span class="sourceLineNo">145</span>        public void dispose() {<a name="line.145"></a>
<span class="sourceLineNo">146</span>                close();<a name="line.146"></a>
<span class="sourceLineNo">147</span>        }<a name="line.147"></a>
<span class="sourceLineNo">148</span><a name="line.148"></a>
<span class="sourceLineNo">149</span>        @Override<a name="line.149"></a>
<span class="sourceLineNo">150</span>        public boolean isOpen() {<a name="line.150"></a>
<span class="sourceLineNo">151</span>                return open.get();<a name="line.151"></a>
<span class="sourceLineNo">152</span>        }<a name="line.152"></a>
<span class="sourceLineNo">153</span>}<a name="line.153"></a>




























































</pre>
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